Home / 13,975.72-19,285.63-8,006.02

Finding the Fourth Proportional to 13,975.72, 19,285.63 and 8,006.02

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Solution

The fourth proportional to 13,975.72, 19,285.63 and 8,006.02 is: 11,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.72 : 19,285.63 = 8,006.02 : x
  2. Step 2: Convert to fraction form
    13,975.72/19,285.63 = 8,006.02/x
  3. Step 3: Cross multiply
    13,975.72x = 19,285.63 × 8,006.02
  4. Step 4: Simplify right side
    13,975.72x = 154,401,139.49
  5. Step 5: Solve for x
    x = 154,401,139.49/13,975.72
  6. Step 6: Final answer
    x = 11,047.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.